Sounds like a bunch of little girls having a sleep-over party.They seem to have a bursts of energy once I turn out the lights and head into bed. I can hear them galumphing around and squealing.
I bet they think they've died and gone to heaven.
Don't know anything about rigging up a camera, but it will be interesting to read about your cuys. Not sure there are any other chronicle threads focused on just this breed.
I think it is always so satisfying to bring home an animal and work to gain its trust so that it feels happy and healthy and safe in your presence and care. Especially with those that may be more difficult to settle.
PS my (relatively) new little girl looks just like your Ghostie pig: DEW with some brown around her eyes. Very pretty.